Tube straightening device



FIG. 1 is a front top perspective view of a tube straightening device in accordance with the present invention;

FIG. 2 is a rear bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the drawings depict portions of the tube straightening device which form no part of the claimed design. 

CLAIM The ornamental design for a tube straightening device, as shown and described. 